How many mm in 1 fathom?
The answer is 1828.8.
We assume you are converting between millimetre and fathom.
You can view more details on each measurement unit: mm or
fathom
The SI base unit for length is the metre.
1 metre is equal to 1000 mm, or 0.54680664916885 fathom.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between millimetres and fathoms.
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A millimetre (American spelling: millimeter, symbol mm) is one thousandth of a metre, which is the International System of Units (SI) base unit of length. The millimetre is part of a metric system. A corresponding unit of area is the square millimetre and a corresponding unit of volume is the cubic millimetre.

››Definition: Fathom

unit of length equal to six feet used to measure depth of water

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